import os
#from langchain.chat_models import ChatDashScope
from langchain.llms import Tongyi
from langchain.prompts import PromptTemplate
from langchain.chains import LLMChain

from langchain_community.chat_models.tongyi import ChatTongyi

def ty():
    llm = Tongyi()
    return llm
def tychat():
    llm = ChatTongyi()
    return llm
 